Bottle cap



FIG. 1 is a front, right, and top perspective view of a bottle cap showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof; the left side view being identical;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines and the areas within them in FIG. 6 depict portions of the bottle cap that form no part of claim. 

CLAIM The ornamental design for a bottle cap, as shown and described. 